Krishnakumar, J. (1988). Estimation of simultaneous equation models with error components structure. Springer-Verlag.
Chicago-viite (17. p.)Krishnakumar, Jayalakshmi. Estimation of Simultaneous Equation Models with Error Components Structure. Berlin ; New York: Springer-Verlag, 1988.
MLA-viite (8. p.)Krishnakumar, Jayalakshmi. Estimation of Simultaneous Equation Models with Error Components Structure. Springer-Verlag, 1988.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.